LG LFX21960ST - Page 23

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Explain to the customer! :
It can be occurred, when the gasket is not
stuck to product or when you put the high
temperature loads (hot foods) a lot
in the product.
Normal
Is the resistance value
between pins 10(WH)
And 4(BL) of CON3
like as below?
Replace
DEF-sensor
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Is the resistance value of
heater like as below?
(2)
(1)
Replace
Heater
Test Point Result Test Point Result
-30°C 129.3 kΩ 10°C 19.53 kΩ
-20°C 76.96 kΩ 20°C 13.03 kΩ
-10°C 47.34 kΩ 30°C 8.896 kΩ
0°C 30 kΩ 40°C 6.201 kΩ
(2) BO
(1) BO
Heater Resistance
Defrost Sensor Resistance
Is the resistance
value of DEF-sensor like
as below? It depends on
the temperature.
Replace
Fuse-M
Is the resistance value
of Fuse –M like
as below?
(2) BN
(1) BL
Open or Short of Fuse-M
pin4 BL
pin10 WH
34 ~ 42 Ω (1) To (2)
RessultTest Point
34 ~ 42 Ω (1) To (2)
RessultTest Point
0 Ω (1) To (2)
RessultTest Point
Resistance
Is the connection loose?
Reconnect